48 THE NAUTILUS. 
al INDEX TO CONCHOLOGISTS’ EXCHANGE. 
Pleurocera alveare; P. undulatum; P. moniliferum ; 
P. canaliculatum ; P. troostii; P. lewisii; P. ele- 
vatum; P. neglectum, IT, 94 
Pleuroxia Ancey, new name for Angasella, which is 
preoccupied i in marine shells; type Helix cyrto- 
pleura Pfr.; Australia, II, 38 
Peecilostola Anecey, n. subg., type Helix Farrisi Pir 
Andes of Peru, . 3 L 20, 26, 54 
Polygyrella polyg grella Bld. & Cooper, v var. montanensis 
Ancey (n. var.), II, 80 
Pomatiopsis lapidaria Say, . tT, 91 
Pristina Ancey, n. subg., types Hyalina Stearnsi Bld.: 
H. Lansingi Bld.; North America, 120526 
Pristiloma Ancey, n. subg, i in place of Pristina Ancey, 
and Anceyia Pilsbry, non Anceya Bourguignat, . I, 54 
Pseudiberus Ancey, n. subg., types Helix tectum-sinense 
Mart.; H. zenonis Gredler; H. plectotropis 
Mart.; and H. mataiensis Nevill ; China, Tt6 
Pupa corpulenta Morse, var. parietalis Ancey, var. nov. ; 
Utah, : II, 80 
Rhysotina Ancey, n. subg., type Helix Welwitschi Mor., 
and H. hepatizon “Gid. ; Island of Sao-Tome, I, 53 
Rhyssotopsis Ancey, n. subg., type Helix Haughtoni 
Benson ; Andaman Isls., : ; I, 64 
Saxicava rugosa Linn., II, 42 
Segmentina Wheatleyi Lea, I, 20 
Segmentina armigera Say, . é : : : ; Le 2 
Sheldonia Ancey, n. subg., types Helix Trotteriana 
iBens.5: EL, phytostylus Bens. ; H. natalensis Pfr. 
and perhaps cotyledonis Benson ; S. Africa, I, 53 
Siliqua costata Say, and Solecurtus sibbus Spleng., 1B HS 
Somatogyrus subglobosus Say and §. depressus Tryon, . II, 90 
Spheerium suleatum Lam.; 8. solidulum Pr. ; S. striati- 
num Lam.; S. Jayanum rs ae ; II, 48 
Spheerium truncatum Linsley; 8. occidentale Pr.; S: 
transversum Say, : II, 49 
Sphincterochila Ancey, n. subg., types H. filia, Mouss. : 
H. Boissieri Char 1S near the Dead Sea and N. 
Arabia, : ; ; ; Il, 23 
(70 be concluded in September number.) 
